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A Model Designed to Predict the Motion of Objects Translated by Classical Blast Waves
A theoretical model was developed for the purpose of predicting the motion of objects translated by winds associated with 'classical' blast waves produced by explosions. Among the factors omitted from the model for the sake of simplicity were gravity and the friction that may occur between the displaced object and the surface upon which it initially rested. Numerical solutions were obtained (up to the time when maximum missile velocity occurs) in terms of dimensionless quantities to facilitate application to specific blast situations. The results were computed within arbitrarily chosen limits for blast waves with shock strengths from 0.068 to 1.7 atm (1 to 25 psi at sea level) for displaced objects with aerodynamic characteristics ranging from those of a human being to those of 10-mg stones and for weapon yields at least as small as 1 kt or as large as 20 Mt.
Blast-induced Translational Effects
A mathematical model was developed to predict the time displacement histories of objects translated by the blast winds from conventional or nuclear explosions; these predictions were then compared to actual experiments. The objects studied varied in size from 139 mg spheres to man and were all assumed to be free to move over a smooth horizontal surface. The effects of ground friction could either be included or neglected, but when they were considered the ground friction eventually brought the objects to rest after the winds had passed. The values of ground friction used were determined experimentally and were found to be functions of the velocity and mass of the object being displaced. The ...
My Name is Bob
A colourful illustrated children's picture book prequel to the worldwide bestseller A Street Cat Named Bob and The World According to Bob – perfect for very young fans. A moving and uplifting tale about one cat in search of a friend that will melt your heart. "[Bob] has entranced London like no feline since the days of Dick Whittington" Evening Standard
Blessed by a Saint
Blessed by a Saint by Gerald L. Bowen, Jr. is a compilation of short stories that, while fiction, are based on real events. These are stories of a family as they go through their everyday life caring for a precious child left severely multi-handicapped, both mentally and physically, after a traumatic birth. What could not be known or understood at the time is what a blessing the child they named Grace would be in their lives, and the lives of others. This angel sent from God achieves so much more than had been hoped and possesses abilities no one could have dreamed. "Grace finds goodness in everything..." from the song "Grace" by U2. This story will touch your heart and, hopefully, will move...
The Last September
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Edward Bowen
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The Last September
Read Elizabeth Bowen’s accessible feminist take on the Irish aristocracy WITH AN INTRODUCTION BY VICTORIA GLENDINNING The Irish troubles rage, but up at the 'Big House', tennis parties, dances and flirtations with the English officers continue, undisturbed by the ambushes, arrests and burning country beyond the gates. Faint vibrations of discord reach the young girl Lois, who is straining for her own freedom, and she will witness the troubles surge closer and reach their irrevocable, inevitable climax.
The Relationship Between Selected Blast-wave Parameters and the Response of Mammals Exposed to Air Blast
For personnel standing or prone-side-on to the charge when it is detonated at or near the surface, the side-on incident plus dynamic pressures become the effective pressure; however, with orientations end-on in this situation, only the side-on incident pressure appears to be the maximal effective pressure.
